Featured
Electrifying the Home: The Complete Green Energy Directory
The complete order-of-operations directory for electrifying a UK home -- building fabric first, then hardware, then tariff automation.
FutureWatt: The Data-Driven Guide to UK Electric Vehicles, Smart Tariffs, and Fossil-Free Home Energy
Independent UK research on EV running costs, smart energy tariffs and the data behind the shift to net zero.
Featured guides
Live UK Smart Energy Tariff Tracker
| Provider | Tariff | Peak Rate | Off-Peak (EV) Rate | Solar Export | Off-Peak Window | Special Notes |
|---|---|---|---|---|---|---|
| EDF Energy | GoElectric Overnight EV Optimized | 24.50p | 6.99p | 8.00p | 12:00 AM - 7:00 AM | Estimated rate — check EDF GoElectric Overnight for a live quote. |
| Octopus Energy | Intelligent Octopus Go EV Optimized | 40.58p | 7.90p | 15.00p | 11:30 PM - 5:30 AM | Pairs with our £50 bill credit link. |
| British Gas | EV Power EV Optimized | 21.90p | 9.00p | 15.10p | 12:00 AM - 5:00 AM | Estimated rate — check British Gas EV Power for a live quote. |
| E.ON Next | Next Drive EV Optimized | 23.10p | 9.00p | 16.50p | 12:00 AM - 6:00 AM | Estimated rate — check E.ON Next Drive for a live quote. |
Rates checked 13 November 2026. Rates fluctuate by regional UK distribution codes.
While our automated grid tracks the four primary utility networks by volume, the wider UK landscape features several niche specialist EV tariffs tailored to specific home configurations. Notably, OVO Energy's 'Charge Anytime' add-on (14.00p/kWh) breaks the traditional overnight window model—utilising intelligent backend app integration to let you plug in your vehicle at any hour of the day, dynamically pulse-charging your car whenever national grid wind or solar capacity surges.
Alternatively, providers like Utility Warehouse (EV Value) and So Energy (So Elk EV) offer competitive 5-hour fixed overnight charging windows ranging from 7.50p to 8.50p/kWh, though accessing these rock-bottom rates frequently requires bundling additional broadband, mobile, or smart home utility billing systems onto a single corporate statement. When choosing an asset, always balance the cheap unit price against daytime standing charges and potential exit fee policies.
Electric Vehicles
- The Autumn Budget Audit: Deconstructing eVED Volumetric Mileage Traps vs. Fleet BiK Roadmaps A comprehensive policy and fiscal engineering evaluation of the Autumn Budget 2026, deconstructing the structural mechanics of pay-per-mile eVED infrastructure, Benefit-in-Kind (BiK) fleet curves, and public charging infrastructure subsidies.
- Cheapest Ways to Charge an EV Without a Driveway No driveway? Here's what UK EV charging actually costs in 2026: on-street lamp-post rates, cross-pavement cable channels, supermarket hubs and rapid chargers compared, with current per-kWh pricing.
- EV Benefit in Kind (BIK) Tax Rates: 2026 to 2028 Breakdown UK EV company car tax explained: official HMRC BIK rates rising incrementally from 4% in 2026/27 up to a 9% cap by 2029/30. Includes the corrected 15% employer NI rules, VED changes, and the new Expensive Car Supplement limits.
Green Energy
- Plug-In Solar Legalised in the UK: The 2026 Balcony & Garden Rules Explained A comprehensive engineering and legal guide to the new UK plug-in solar panel regulations under SI 2026/848—exploring the 800W limit, fire safety rules, and DNO registration mandates.
- Boiler Upgrade Scheme: Grant Criteria and Current Waiting Times Boiler Upgrade Scheme 2026 explained: £7,500 grant criteria, the new £9,000 enhanced rate for oil/LPG homes, current MCS installer wait times, and what changed now the EPC insulation rule has been dropped.
- Good Energy vs Octopus: Best Solar Export Tariffs Compared Good Energy vs Octopus export tariffs compared for 2026: Good Energy's 15–25p/kWh now beats Octopus Outgoing Fixed's 12p, while Agile's real average is just 9.4p — which supplier actually pays more for your solar export?
Climate
- The Climate Link Blueprint: Unpacking the Hidden Costs of Fossil Infrastructure The structural directory mapping macro energy economics, upstream fossil fuel supply chain carbon, and domestic health risks.
- Tracking the UK Grid: How Close Are We to 100% Renewable Power? Tracking the UK grid toward Clean Power 2030: the record 44% renewable year in 2025, the 97.7% zero-carbon 30-minute record, NESO's grid connection queue progress, and what's still holding back 100%.
- How Much Fossil Fuel Is Hidden in Common Daily Household Products? From polyester clothing to moisturiser and mattress foam — how much of your everyday shopping is quietly made from petrochemicals, why they now drive most of oil demand growth, and how to cut it down.
Latest Insights
green-energy
Vampire Load Metrology: Auditing Domestic Standby Power, Inrush Current, and Accuracy Classes in UK Smart Energy Monitors
A first-principles electrical metrology audit evaluating shunt-resistor smart plugs, inline power factor analysers, and split-core CT clamp monitors for UK domestic energy auditing.
green-energy
The Kitchen Sine-Wave Distortion: Auditing Induction vs. Ceramic Hob Grid Harmonics and Supraharmonic Crosstalk
A first-principles power quality and distribution network audit contrasting the linear resistive load of ceramic hobs against the harmonic and supraharmonic distortion injected by induction hob IGBT inverters.
evs
Cylinder vs. Prism: Auditing the Structural Mechanics, Thermal Dissipation, and Volumetric Efficiency of Tesla's 4680 vs. BYD's Blade
A first-principles electrochemical, geometric, and thermodynamic audit comparing Tesla's tabless 4680 cylindrical architecture against BYD's structural prismatic LFP Blade cell.
green-energy
Plug-In Solar and Modular Storage in the UK: An Engineering and Regulatory Audit of EcoFlow’s STREAM Series and DELTA Pro 3
An engineering audit of what the 27 August 2026 UK plug-in solar rule change permits, why battery-integrated systems such as the EcoFlow STREAM Ultra X still need an electrician, and where the DELTA Pro 3 fits as a transfer-switch or off-grid alternative, with winter yield and payback arithmetic.
green-energy
The Buoyant Grid: Deconstructing the Thermodynamic, Spatial, and Economic Realities of UK Floating Solar
An empirical hydraulic material and macroeconomic systems audit quantifying the thermodynamic water-cooling yields, spatial constraints, and asset localization models of floating photovoltaics across the UK water utility and dockland landscape.
green-energy
The Unobstructed Grid: Quantifying the Quantum Efficiency and Material Mechanics of Back-Contact Solar Architectures
A comprehensive material science and microeconomic audit evaluating Interdigitated Back Contact (IBC) solar cell architecture, analyzing optical shading elimination, thermal degradation dynamics, and UK distribution availability.